Transactions can optionally carry transaction fees. Whoever mines the block which ends up containing your transaction will get the fee. The Bitcoin client will sometimes force you to pay a fee when it thinks that no miner will accept your transaction otherwise.

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sorry if I offended you. I mine exclusively on slush's pool, so I mostly post questions/comments in here... someone was talking about multi gpu's and cooling on this thread so I thought I would ask some of the more experienced guys on here about tips on how I can pull my rig off with cooling, stability etc,,,,

I have been running for about 6 hours with my miner giving me about 800 khash/sec, and my CPU giving me about 500 khash/s. I have yet to receive any shares.

My interpretation of this, is that the miner (I use poclbm), uses the GPU, while the bitcoin application uses the CPU. What gets contributed to the mining pool? Is it just the khash rate I see in poclbm or does it include the khash rate that I see in the bottom left corner of the original bitcoin application? Why haven't I received a share yet? Am I doing something wrong? Should I not be running the actual bitcoin application or what?

I have been running for about 6 hours with my miner giving me about 800 khash/sec, and my CPU giving me about 500 khash/s. I have yet to receive any shares.

My interpretation of this, is that the miner (I use poclbm), uses the GPU, while the bitcoin application uses the CPU. What gets contributed to the mining pool? Is it just the khash rate I see in poclbm or does it include the khash rate that I see in the bottom left corner of the original bitcoin application? Why haven't I received a share yet? Am I doing something wrong? Should I not be running the actual bitcoin application or what?

If poclbm is telling you that you are running at 800 khash/sec you are 99.99% certainly NOT running on your GPU. My Radeon 5670 is giving 85 megahashes/sec, so, just for comparison you should be receiving a number at least 100 times larger than what you are seeing.

As far as no shares... yeah, the difficulty recently went up. I turned on jgazark's CPU miner to try and test a few things out (it was getting about 700 khash/sec per core) and it took it 2.5 hours to find 1 share

GPU mining is the way to go... I am not sure what to tell you on the poclbm thing... I've never used it.

I have been running for about 6 hours with my miner giving me about 800 khash/sec, and my CPU giving me about 500 khash/s. I have yet to receive any shares.

My interpretation of this, is that the miner (I use poclbm), uses the GPU, while the bitcoin application uses the CPU. What gets contributed to the mining pool? Is it just the khash rate I see in poclbm or does it include the khash rate that I see in the bottom left corner of the original bitcoin application? Why haven't I received a share yet? Am I doing something wrong? Should I not be running the actual bitcoin application or what?

If poclbm is telling you that you are running at 800 khash/sec you are 99.99% certainly NOT running on your GPU. My Radeon 5670 is giving 85 megahashes/sec, so, just for comparison you should be receiving a number at least 100 times larger than what you are seeing.

As far as no shares... yeah, the difficulty recently went up. I turned on jgazark's CPU miner to try and test a few things out (it was getting about 700 khash/sec per core) and it took it 2.5 hours to find 1 share

GPU mining is the way to go... I am not sure what to tell you on the poclbm thing... I've never used it.

correct me if im wrong here people, but difficulty adjustments shouldn't theoretically affect your share generation, since the blocks you solve for a share are difficulty 1? if your share generation has changed, i was always under the assumption you're just having a lucky or unlucky streak

correct me if im wrong here people, but difficulty adjustments shouldn't theoretically affect your share generation, since the blocks you solve for a share are difficulty 1? if your share generation has changed, i was always under the assumption you're just having a lucky or unlucky streak

You are probably correct, I made some assumptions myself.

Technically speaking the pool tells your client what the target difficulty is. And, in theory, the pool can adjust the difficulty up and down as it sees fit. In theory, this could be a fixed percentage of the actual difficulty (say 10%).

However, in practice, most of the miners that I looked at their source code for, ignore the target set by the pool and simply check the upper word for zeros.

So, if the poclbm is doing that, then no matter what the pool said the difficulty was, the miner would keep working at the same difficulty level as before.

I have been running for about 6 hours with my miner giving me about 800 khash/sec, and my CPU giving me about 500 khash/s. I have yet to receive any shares.

My interpretation of this, is that the miner (I use poclbm), uses the GPU, while the bitcoin application uses the CPU. What gets contributed to the mining pool? Is it just the khash rate I see in poclbm or does it include the khash rate that I see in the bottom left corner of the original bitcoin application? Why haven't I received a share yet? Am I doing something wrong? Should I not be running the actual bitcoin application or what?

Have you tried that new Intel CPU optimized bitcoin-miner? I tried it on a I core 3 330m and got 5 mhashs more than with just stock poclbm. Check the forum it works well on amd too (quad core amd got almost 10)

There are many missing features. Like removing that stupid wait for 100-120 blocks for the confirmed reward or lowering it down. Adding a simple payout button instead of the abomination called threshold.

Your pool has been online for a long time, it has a nice design, but these two features are missing; And i feel as though you havent coded any new features at all. Your pool is yet to be complete my friend; so don't in any way think it is

There are many missing features. Like removing that stupid wait for 100-120 blocks for the confirmed reward or lowering it down. Adding a simple payout button instead of the abomination called threshold.

Your pool has been online for a long time, it has a nice design, but these two features are missing; And i feel as though you havent coded any new features at all. Your pool is yet to be complete my friend; so don't in any way think it is

Those two "features" are absolutely useless to anybody that is acting logically as opposed to off of pure irrational emotion. And yet you pay an extra percent in fees for those? Irrational.

Edit: I'm not saying that there aren't other things about deepbit that might be worth the extra 1%.

How are they useless? Which is better? Get the bitcoins now, or get them hours later?

I think you know the logical answer.

Why would you want to click a button to get your bitcoins, when what Slush has offered is a "set and forget" approach. Set your threshold to whatever value you want, and never touch it again. In theory, you never have to visit his website again to get paid as often as you'd like.

Unlike you(maybe) i visit the pool's website to see how much i've earned. And when i want the bitcoins be it 2.58 or 1.87 i have to set the threshold to slightly higher to get them; when there's also a chance to wait hours and hours for a block to come.